Chaifsjopuivip



(No Model.)

J. J. DE SILVA.

CHAIN PUMP. No. 380,425. PatentedApr. 3, 1888.

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g nn I V l "l munumurnm Emmi UNITED STATES JOSE JOAQUIN DE SILVA, OFGUANAJUATO, GUANAJUATO, MEXICO.

CHAIN =PUMP.

SPECIFICATION forming part of Letters Patent No. 380,425, dated April 3,1888.

Application filed November 18, 185?. Serial No. 255,527. (No model.)Patented in Mexico March 5, 1887.

To ctZZ 1071,0721, it may concern.-

Be it known that I, J osii J OAQUIN DE SILVA, a citizen of the Republicof Mexico, and a resident of the city of Guanajuato, in the State ofGuanajuato, Republic of Mexico, have invent ed an ImprovementinChain-Pumps, of which the following is a specification.

My invention relates to that class of chainpumps in which a series orchain of connected buckets are combined with a supporting and operatingwheel by which the buckets are continuously immersed, raised, anddischarged of their contents.

My present invention relates more especially to the construction of thewheel, with a view to combine both a saving of practically all of thewater raised with rapidity of delivcry, and simplicity of construction,cheapness, and durability of the wheel.

My invention belongs to those wheels in which the water is deliveredfrom the buckets into a series of canals formed in the periphery of thewheel, which canals are so constructed as to immediately deliver at theside of the wheel the water so received and discharge it into a suitablereceptacle or duct. While waste is thus practically done away with, thewater is discharged from the wheel at the earliest possible moment, thusrelieving the apparatus oi weight and saving power.

In order to make my invention more clearly understood I have shown inthe accompanying drawings a means for carrying it into effect.

In said drawings Figure 1 is a perspective view of so much of achain-pump as is necessary for the illustration of my invention. Fig. 2is a vertical sectional view of the wheel detached. Fig. 3 is asideelevation showing another arrangement of the receiving-duct.

Referring to the drawings, D D indicate two peripheral edge flanges, oneat each side of the wheel. They are supported by two spiders, A A,carried in turn by the main shaft E, to which latter the actuating-powermay be aplied. The flanges D I) may be connected with each other in anysuitable manner which will give the necessary rigidity to the structure.In the wheel illustrated transverse braces a, parallel with the axis ofthe wheel, extend from one flange to the other, into both of which theyare mortised.

The canals already referred to are shown at B. They are arranged aroundthe periphery of the wheel, and are constructed on lines inclinedrelative to its axis. This inclination of the ducts causes the water, assoon as it is received from the buckets, to be directly discharged atthe side of the wheel.

I have shown in the drawings the best man ner known to me forconstructing the said canals, though other suitable methods may beemployed without departing from my inven tion. F indicates a peripheralpartition which is at allpoints inclined relative to the axis of thewheel-that is to say, it constitutes the surface of a frustum of a cone,by which term I would include also the analogous shape of a pyramid. Tothis partition are jointed at intervals corresponding, preferably, tothe dis tance between buckets on the chain substantially-radialpartitions f, which are also so cured to the flanges D D. The partitionF upon one edgejoins the inner surface of one of these flanges-in thedrawings the flange Dwhi1e the other edge is inside of the innerperiphery of the flange D. The canals B are thus closed at their higherends and provided at their lower ends with discharge-openings. Byplacing the partitiousf under the bracesa the overhanging edges of thelatter are utilized to prevent the escape of water from the canals bysplashing. 4

At that side of the wheel to which the canals B discharge is arranged asuitable receptacle or duct, 0. Its shape or position is not material,so long as it is in proximity to the openings from the canals andcatches accurately their discharge. It may be arranged concentricallywith the wheel, as shown in Fig. 3, by which means the fall of the wateris shortened and it may be caught more accurately.

G indicates the series of buckets connected by the rope or chain H, orjointed together in any approved manner.

The operation of the device is as follows: Power having been applied tothe wheel to ro tate it in the proper directiomthe buckets will ascend,(upon the right hand of Fig. 1,) and tal plane of the axis of thewheelwill discharge into the canals B. The water thus received by thecanals is immediately transferred to immediately after passing above thehorizon- IOO 2. In a chain-pump, the combination, with 15 a wheelprovided upon its periphery with inclined canals, of a receiving-ductarranged in an are substantially concentric with the wheel and situatedin proximity to the dischargeopenings of the canals, substantially asde- 2c scribed.

JosE JOAQUIN DE SILVA.

In presence of BENIGNO ORTIZ, EMIGDIO OHEIvER.

